| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Star Trek: Insurrection (1999) | £2,706,800 | £2,706,800 | £2,706,800 | new | 1 |
| 2 (1) |  | Enemy of the State (1998) | £1,511,188 | £3,147,471 | £4,567,687 | 6% | 2 |
| 3 (2) |  | The Prince of Egypt (1998) | £614,169 | £1,632,491 | £3,383,431 | 45% | 3 |
| 4 (3) |  | The Mask of Zorro (1998) | £604,698 | £1,413,924 | £4,315,541 | 46% | 4 |
| 5 (5) |  | The Parent Trap (1998) | £521,286 | £1,397,194 | £3,366,584 | 52% | 4 |
| 6 (4) |  | Rush Hour (1998) | £363,170 | £787,920 | £6,481,102 | 30% | 5 |
| 7 (6) |  | What Dreams May Come (1998) | £358,478 | £763,437 | £994,047 | 36% | 2 |
| 8 (7) |  | Babe: Pig In the City (1998) | £285,551 | £831,500 | £3,147,916 | 53% | 5 |
| 9 (8) |  | Antz (1998) | £206,421 | £612,538 | £9,672,036 | 42% | 9 |
| 10 (9) |  | Out of Sight (1998) | £87,909 | £178,675 | £3,049,685 | 48% | 6 |
| 11 (10) |  | Blade (1998) | £66,120 | £135,867 | £6,085,429 | 31% | 8 |
| 12 (new) |  | The Acid House (1999) | £42,751 | £42,751 | £42,751 | new | 1 |
| 13 (12) |  | There's Something About Mary (1998) | £41,956 | £91,174 | £15,665,386 | 47% | 15 |
| 14 (14) |  | Small Soldiers (1998) | £38,552 | £114,500 | £6,231,135 | 50% | 11 |
| 15 (13) |  | The Negotiator (1998) | £34,259 | £68,725 | £1,484,716 | 41% | 6 |